void XQLocationPrivate::DeliverPositionerResults(TPositionSatelliteInfo aPositionInfo)
{
    TPosition pos; 
    aPositionInfo.GetPosition(pos);
    
    // Handle speed reporting
    float speed = 0;
    if (speedAvailable) {
        // Positioning module is able to offer speed information
        TCourse course;
        aPositionInfo.GetCourse(course);
        speed = course.Speed();
        if (isnan(speed)) {
            speed = 0;
        }
    } else {
        // Positioning module does not offer speed information
        // => Speed is calculated using position information & timestamps
        TTime posTime;
        TTimeIntervalSeconds interval;
        for (int i = iPositions.Count()-1 ; i >= 0; i--) {
            if (pos.Time().SecondsFrom(iPositions[i].Time(),interval) == KErrNone) {
                if (interval.Int() > 10) {
                    pos.Speed(iPositions[i], speed);
                    break;
                }
            }
        }
        while (iPositions.Count() > 0) {
            if (pos.Time().SecondsFrom(iPositions[0].Time(),interval) == KErrNone) {
                if (interval.Int() > 60) {
                    iPositions.Remove(0);
                } else {
                    break;
                }
            }
        }
        if (iPositions.Count() > 0) {
    	    if (pos.Time().SecondsFrom(iPositions[iPositions.Count()-1].Time(),interval) == KErrNone) {
                if (interval.Int() > 1) {
                    iPositions.Append(pos);
                }
        	}
        } else {
            iPositions.Append(pos);
        }
        // Accept speed from range 0.01 m/s (0.036 km/h) to 200 m/s (720 km/h)  
        if (speed < 0.01 || speed > 200) {
            speed = 0;
        }
    }
    if (speed != iPreviousSpeed) {
        emit ipParent->speedChanged(speed);
    }
    iPreviousSpeed = speed;
    
    // Handle satellite information reporting
    if (satelliteInfoAvailable) {
        if (aPositionInfo.NumSatellitesInView() != iPreviousNumSatellitesInView) {
            emit ipParent->numberOfSatellitesInViewChanged(aPositionInfo.NumSatellitesInView());
        }
        iPreviousNumSatellitesInView = aPositionInfo.NumSatellitesInView(); 

		if (aPositionInfo.NumSatellitesUsed() != iPreviousNumSatellitesUsed) { 
            emit ipParent->numberOfSatellitesUsedChanged(aPositionInfo.NumSatellitesUsed());
        }
        iPreviousNumSatellitesUsed = aPositionInfo.NumSatellitesUsed();
    }
    
    // Handle position information reporting
    if (iPreviousPosition.Latitude() != pos.Latitude() ||
        iPreviousPosition.Longitude() != pos.Longitude() ||
        iPreviousPosition.Altitude() != pos.Altitude()) {
        if (!isnan(pos.Latitude()) || !isnan(pos.Longitude()) || !isnan(pos.Altitude())) {
            emit ipParent->locationChanged(pos.Latitude(),pos.Longitude(),pos.Altitude(),speed);
        }
        
        if (iPreviousPosition.Latitude() != pos.Latitude()) {
            if (!isnan(pos.Latitude())) {
                emit ipParent->latitudeChanged(pos.Latitude(),pos.HorizontalAccuracy());
            }
        }
        if (iPreviousPosition.Longitude() != pos.Longitude()) {
            if (!isnan(pos.Longitude())) {
                emit ipParent->longitudeChanged(pos.Longitude(),pos.HorizontalAccuracy());
            }
        }
        if (iPreviousPosition.Altitude() != pos.Altitude()) {
            if (!isnan(pos.Altitude())) {
                emit ipParent->altitudeChanged(pos.Altitude(),pos.VerticalAccuracy());
            }
        }
    }
    iPreviousPosition = pos;
    
    if (iSingleUpdate) {
        stopUpdates();
        iSingleUpdate = EFalse;
    }
}
Exemplo n.º 2
0
void PsyUtils::TPositionInfo2QGeoPositionInfo(TPositionInfoBase &aPosInfoBase, QGeoPositionInfo& aQPosInfo)
{
    if (aPosInfoBase.PositionClassType() & EPositionInfoClass  ||
            aPosInfoBase.PositionClassType() & EPositionSatelliteInfoClass) {
        TPositionInfo *posInfo = static_cast<TPositionInfo*>(&aPosInfoBase);
        TPosition pos;
        QGeoCoordinate  coord;

        posInfo->GetPosition(pos);
        coord.setLatitude(pos.Latitude());
        coord.setLongitude(pos.Longitude());
        coord.setAltitude(pos.Altitude());

        //store the QGeoCoordinate values
        aQPosInfo.setCoordinate(coord);

        TDateTime datetime = pos.Time().DateTime();
        QDateTime dt(QDate(datetime.Year() , datetime.Month() + 1, datetime.Day() + 1),
                     QTime(datetime.Hour() , datetime.Minute(), datetime.Second(),
                           datetime.MicroSecond() / 1000),
                     Qt::UTC);

        //store the time stamp
        aQPosInfo.setTimestamp(dt);

        //store the horizontal accuracy
        aQPosInfo.setAttribute(QGeoPositionInfo::HorizontalAccuracy, pos.HorizontalAccuracy());

        //store the vertical accuracy
        aQPosInfo.setAttribute(QGeoPositionInfo::VerticalAccuracy, pos.VerticalAccuracy());

        if (aPosInfoBase.PositionClassType() & EPositionSatelliteInfoClass) {
            TCourse course;
            TPositionSatelliteInfo *satInfo = static_cast<TPositionSatelliteInfo*>(&aPosInfoBase);
            satInfo->GetCourse(course);
            aQPosInfo.setAttribute(QGeoPositionInfo::Direction, course.Heading());
            aQPosInfo.setAttribute(QGeoPositionInfo::GroundSpeed, course.Speed());
            aQPosInfo.setAttribute(QGeoPositionInfo::VerticalSpeed, course.VerticalSpeed());
        }
    }

    if (aPosInfoBase.PositionClassType() & EPositionGenericInfoClass) {
        HPositionGenericInfo *genInfo = static_cast<HPositionGenericInfo*>(&aPosInfoBase);
        float val;
        //check for the horizontal speed
        if (genInfo->IsFieldAvailable(EPositionFieldHorizontalSpeed)) {
            genInfo->GetValue(EPositionFieldHorizontalSpeed, val);
            aQPosInfo.setAttribute(QGeoPositionInfo::GroundSpeed, val);
        }
        //check for the vertcal speed
        if (genInfo->IsFieldAvailable(EPositionFieldVerticalSpeed)) {
            genInfo->GetValue(EPositionFieldVerticalSpeed, val);
            aQPosInfo.setAttribute(QGeoPositionInfo::VerticalSpeed, val);
        }

        //check for the magnetic variation
        if (genInfo->IsFieldAvailable(EPositionFieldMagneticCourseError)) {
            genInfo->GetValue(EPositionFieldMagneticCourseError, val);
            aQPosInfo.setAttribute(QGeoPositionInfo::MagneticVariation, val);
        }

        //check for the heading
        if (genInfo->IsFieldAvailable(EPositionFieldHeading)) {
            genInfo->GetValue(EPositionFieldHeading, val);
            aQPosInfo.setAttribute(QGeoPositionInfo::Direction, val);
        }
    }
}